From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757490AbbJVN02 (ORCPT ); Thu, 22 Oct 2015 09:26:28 -0400 Received: from shards.monkeyblade.net ([149.20.54.216]:54009 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753832AbbJVN00 (ORCPT ); Thu, 22 Oct 2015 09:26:26 -0400 Date: Thu, 22 Oct 2015 06:42:52 -0700 (PDT) Message-Id: <20151022.064252.1128486997660707405.davem@davemloft.net> To: ast@plumgrid.com Cc: mingo@kernel.org, a.p.zijlstra@chello.nl, wangnan0@huawei.com, hekuang@huawei.com, acme@infradead.org, daniel@iogearbox.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next 0/3] bpf_perf_event_output helper From: David Miller In-Reply-To: <1445396556-4854-1-git-send-email-ast@kernel.org> References: <1445396556-4854-1-git-send-email-ast@kernel.org> X-Mailer: Mew version 6.4 on Emacs 23.4 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Thu, 22 Oct 2015 06:26:26 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Alexei Starovoitov Date: Tue, 20 Oct 2015 20:02:32 -0700 > Over the last year there were multiple attempts to let eBPF programs > output data into perf events by He Kuang and Wangnan. > The last one was: > https://lkml.org/lkml/2015/7/20/736 > It was almost perfect with exception that all bpf programs would sent > data into one global perf_event. > This patch set takes different approach by letting user space > open independent PERF_COUNT_SW_BPF_OUTPUT events, so that program > output won't collide. > > Wangnan is working on corresponding perf patches. Series applied, thanks.